Although mammography has long been the gold standard for breast cancer screening, it does have limitations for women with dense breast tissue, with some studies reporting its sensitivity to be less than 50%. Clinicians continue to explore other imaging techniques for this subset of women, including nuclear medicine. In fact, single-head cadmium zinc telluride (CZT) [...]

Shows how a CT scan works, to see if Alan has a facture of the skull. Taken from the free online course Imaging in medicine.

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NEW YORK (Reuters Health), Nov 26 - Although MDCT angiography can accurately assess the presence and severity of coronary disease and identify patients who will require revascularization, its relatively low negative and positive predictive values mean that it cannot yet replace conventional angiography.
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A new study released today by Norwegian researchers offers an intriguing hypothesis: More frequent mammography screening intervals find some cancers that might otherwise “spontaneously regress” and would pose no threat were they not discovered.
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Multimodality vendor Siemens Healthcare today launched Somatom Definition Flash, a new multislice CT scanner that represents the second generation of the vendor’s dual-source CT technology. The new system offers a number of benefits, according to the company, including the prospect of coronary CT angiography (CTA) exams at less than 1 mSv of radiation dose.
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Small, portable ultrasound units can play a valuable role in improving access to imaging technology in developing nations, according to research published in the December issue of the Journal of Ultrasound in Medicine.
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